What is an important advantage of a free market?
a. it does not change unless the government directs it.
b. it offers a wide variety of goods and services.
c. it is easy to regulate.
d. it protects the less fortunate.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.

these are the choices

local priests

european monarchs

common people

bible translators